From the Home screen, tap Settings.
Scroll to Phone.
Tap Phone.
Scroll to Blocked Contacts.
Tap Blocked Contacts.
Tap Add New.
Select the contact you'd like to block.
When a contact is blocked you'll no longer receive phone calls, messages, or FaceTime from them.
To unblock a contact, tap Edit.
Tap the Minus sign.
Tap Unblock.
You've completed the steps!
